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GORN PLANTER.

No. 879,363. Patented Mar. 13, 1888.

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CORN PLANTER. No. 379,363. Patented Mar. 13, 1888.

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No. 379,368. Patented Mar. 13, 1888.

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No. 379,363. Patented Mar. 13, 1888..

UNTTED STATES PATENT OEEicE.

JEREMIAH W. CAMPBELL, OF ST. JOHNS, AND GEORGE WV. CAMPBELL, OF

EAR-ROD, 01110; SAID JEREMIAH w,

GEORGE CAMPBELL.

CAMPBELL ASSIGNOR TO SAID CORN-PLANTER.

SPECIFICATION forming part of Letters Patent No. 379,363, dated March13. 1888.

Application filed September 27, 1886. Serial No. 214,707. (No model.)

To all whom it may concern:

Be it known that we, JEREMIAH W. CAMP- BELL and GEORGE W. CAMPBELL,citizens of the United States, and residents of St. J ohns and Harrod,in the State of Ohio, have invented a new and useful Improvement inCorn- ]?lanters, of which the following is a specification.

Our invention relates to improvements in corn-planters, and is fully setforth in the following specification and accompanying drawings.

Figure 1 is a top view; Fig. 2, a bottom view; Fig. 3, a rear view; Fig.4, an end view; Fig; 5, a top View of dropping device; Fig. 6, a bottomview of same; Fig. 7, a bottom view of dropper-plate; Fig. 8, a top viewofthe board the dropper rests on; Fig. 9, a side View of the slottedspring-piece connecting the rear of our shoe B to the bar F; Fig. 10, anend view of the floor of the dropper, with the spouts attached and thepivoted detaining piece therein.

A A are the main wheel; B B B, shoes pivoted on the front of the frameand attached at their rear by spring adjustment to bar F; C C C,seed-boxes; D, drop-slide; E, hinge by which piece H is attached to bentbar F; F, bar for raising shoes B; G, drivers seat; H, spring-connectionbetween the shoes andrlever; J, dropping-lever; K, ratchet in whichplunger a: on handle L engages; L, lever for operating bar F; M,revolving dropper-plate; N, depression or cut-away portion in face ofdropper; O, dropper-spout; P, floor or bot tom of dropperbox; Q. pin inone part of piece H; R, pivoted detaining-piece in dropspout. S is a dogon end of slide D; T, spring on pieceH; V, hole througlrwhich seedreaches spout 0; Z, interior of spout O; Y, ratchet teeth or shoulderson bottom of plate M; a, covering-shovels; b, knives or blades in shoeB; 0, bolts on which fronts of shoes B are pivoted; 6, slot in which theseed-boxes are adjustable laterally; f, holes in the dropperplate M forcorn to drop through; g, grooves in which arms of slide D play; h, brushor block for cleaning superfluous corn from top of plate; 2', pin (onend of detainer R) that plays through slot R,- Z, hole in arm of slide DI in which pin 2' fits; m, rod connecting feedslides; t, pawl on end armof slide; U, bolt in hinge E for fastening connecting-piece H to arm F.

The construction and operation of our devices are as follows:

To bolts on the front of the frame we pivot the shoes B, which pass backand are attached to a spring-connecting piece, H, which is attached atits upper end to the rod F, running along the rear of the machine. Theseshoes may be made forked at their front ends it desired. Near the middleof its length, and at its lowest point, are two blades, b, which extendabove and below the shoe B, and are in tended to open a furrow toreceive the corn.

The blades B form a knife-edge at the front, but diverge until (inpractice) they are some four inches apart at their rear ends. Just inthe rear of these blades are the two shovels a, which are some fourinches apart at their front, but converge until nearly together at theirrear. These shovels are intended to cover the corn. The springattachment at the rear is made in two pieces, one having aslot in whicha pin on the other plays. The object of this is 'to provide a connectioncapable of extension or contraction vertically, to allow the shoes toaccommodate themselves to irregularities in the ground.

The lever L is attached to rod F in such manner that the operator, bypressing back upon the lever, can force the blades Z) into the ground atwill, and the piece H, being surrounded by spring T and being in twopieces connected by the pin Q, playing in slot X, will cause the bladesto follow the inequalities in the ground and drop into any holes theymay come to. Near the center or toward the rear and passing down betweenthem, nearly to the ground, are the spouts O, which havedetaining-pieeesR pivoted in them. These pieces R are to catch the seedand detain it, so that it falls from the lower end of the spent to theground and does not scatter as it would in falling from the top of thespout. 95

The spouts O are attached to the bottom or floor of the dropper-box, andthe corn or seed drops through hole V in the floor into the spout. Apin, 1', on the upper end of detain ing piece or valve R plays throughslot k and enters a hole, Z, in arm 16 of the slide D. The alternatemovements of theslide move the top of piece R to different sides of thespout O, admitting the grain at the top, to be detained by piece R,resting against the side of the spout near the lower end. As the piece Rby the next movement of the slide is moved on its pivot, the seed at thebottom is dropped out, and the seed dropping in at the top is caughtagainst the other side of the spout, each alternate movement of theslide and piece R liberating the seed at the bottom and forminganewpocket on the otherside. The slides D are operated by rods m, which areattached to them by pin q or hook, so as to be easily detachable.

The piece P, to which the spout O is attached, forms the floor to theseed-box, and has the hole V, through which the seed drops. J ournaledon this floor is the revolving feed disk or plate M, having holesftherein. On the bottom of this plate are the ratchet-teeth Y, which comeover the groovesg as the plate revolves. Playing in these grooves arethe pawl T and dog S on the arms of slide D. The distance between theholesf and the extent of the movement of the slide correspond, so thateach movement of the slide brings one of the holesf over the hole Vinthe floor. On top of the plate M, attached to abolt passing up throughits center, is a block, a, underneath which and playing in agroove inthe same is a brush or block, h, which rests on the face of the plate M.In a hole in block a is a coil-spring, 1, that bears upon the top of thebrush 71, holding it firmly against the face of the plate, but allowingit to yield when neces sary. As the plate revolves in the seed-box, thegrains of corn drop into the holesf, and as the holes pass under thebrush h the grains in the holes are carried on, while those on top arebrushed back by the piece h.

The operation is as follows: As the planter moves forward, the shoes Brest on the ground and the blades 1) open a furrow for the reception ofthe seed. A person on the centerfeedbox moves lever J, operating theslide D, re-

volving the plates M, and dropping the seed into the spouts 0, wherethey are detained near the bottom by one end of the pivoted pieceRresting against the side of the spout. At the next hill the lever ismoved in the opposite direction, revolving the plate again, moving thepiece R to the other side of the spout, letting the seed fall from thelower end of the spout, and letting a new lot drop into the upper end ofthe spout. The object of stopping the seed near the bottom of the spoutfor a time before letting it fall is, that in dropping from the seed-boxto the ground (two or three feet) while the planter is in motion theseed is apt to Straggle and scatter over quite a distance on the ground.As the seed is dropped in the furrow,the shovels a cover them. Threesecd-boxes will usually be mounted on the frame, so that three rows maybe planted at one time. It is obvious, however, that a greater or a lessnumber of seed-boxes may be em ployed.

If it is desired to plant a less number of rows than there areseed-boxes on the planter, the slides D of those boxes from which it isdesired that seed shall not fall may be disconnected from the arm m, andthe operation may be proceeded with as usual.

\Vhat we claim is In a seed-planter, the combination of the shoe B,having blades 1) and covering-shovels a, pivoted at the forward end ofthe carriageframe, a swinging bar, F, at the rear end of the frame, andtheherein described improved means for connecting the rear end of theshoe to the bar F, consisting of a slotted split bar having the hingingdevice E and a bar provided with a pin projecting into the slot of thefirst-mentioned bar, whereby it is adapted to slide longitudinally insaid bar, a coilspring surrounding and secured upon said bar tending toforce the shoe toward the ground, as set forth.

JEREMIAH W. CAMPBELL. GEORGE \V. CAMPBELL.

Witnesses: 1

ELI FLEMING, JOHN DOBIE.

